C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose programming language.

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How can I manually syncronize render calls with a monitor's refresh rate in Direct3D 9?

I have an application that utilizes Direct3D 9 to render 3D graphics. I'm trying to manually control the number of frames rendered in a given second. Here is pseudocode: while( bInGame ) { // ...
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58 views

Manage map like The sims game

I'm trying to create a (light) tool to create houses like in the Sims game but I don't know how to manage data/make a valid architecture. For now, I think about something like that: Map: Player's ...
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33 views

Per pixel collision using marmalade bug

I'm trying to implement space invader, collision with barrier in which you blast some pixels, for the time I'm drawing a circle, right now I get correct collision but only on the bottom of the ...
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31 views

Help with scoring system and score multiplier

I am new to the scripting world and I am currently trying to add a score multiplier to the game code I am working on. Right now the score is set to increase as the player runs across the level however ...
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34 views

How to draw a ellipse with DirectX 9?

I have spent the entire day trying to get it to work... I can draw the outline of an ellipse but I want to draw a filled in ellipse but I can't seem to get the code to work. Any help would be great! I ...
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28 views

Cocos2dx How to show different parts of a scene in a split screen

I come from an SFML background and you could show different parts of a scene in split screens by manipulating sf::View. Is there any way to do it with Cocos2dx? I plan to make a split screen game but ...
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45 views

Calculating Bounding Rect

I'm trying to clone space invader of atari and I have problem with bounding rect calculations.. the rect is not correctly bounded.. maybe I have problem with the transformations void ...
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61 views

Preferred way to integrate box2d with SFML

I'm trying to integrate Box2D with sfml. My current solution is to have overloaded functions creating sfml shapes from box2d fixtureDef shapes. I store created sfml shapes under the name 'visual' in a ...
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57 views

loading a model, which has multiple meshes using assimp

I have been using Open Asset Import library(assimp) along with OpenGL API to load and render 3D models. I followed some tutorials and have got the output as expected. But, I have failed to understand ...
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28 views

How can motion/simulation be suspended for a given orientation of the body in bullet physics?

I am currently trying to make a Ragdoll and it falls to the ground obeying constraints as expected but it never actually comes to rest. The rigid bodies appear to vibrate and the Ragdoll starts moving ...
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47 views

Reading Color data from UTexture2D in UE4

Here's my code: // get RenderTarget2D static ConstructorHelpers::FObjectFinder<UTextureRenderTarget2D> TargetObj(TEXT("/Game/Textures/RenderTexture")); // generate a UTexture2D CameraTexture = ...
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25 views

alpha blending rendering black

I'm using blending in my game here is my blending equation: D3D11_BLEND_DESC blendStateDescription; ZeroMemory(&blendStateDescription, sizeof(D3D11_BLEND_DESC)); ...
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22 views

mouseWorld Coordinates Box2D

I have one simple question in Box2D: if you want to get the world coordinates of mouse, this is the function you gonna use in Java: void update(int x, int y) { if(mousejoint !=0) ...
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118 views

Alternative to a timer in a separate thread in a turn-based game

I'm making a 2d turn based game and I'm having some difficulties with the timer itself. 3 characters vs 3 characters, two players. A timer giving them a chance to preform acts within a set amount of ...
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47 views

Updating sprite Rect each frame

I have made a struct which sets 4 variables that define a rect void setDestSize(int width, int height) { Width = width; Height = height; } void ...
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67 views

How to convert OpenCV camera capture to Irrlicht texture without killing fps?

I am looking to include images captured from the users webcam into my application so I've been looking into using OpenCV to capture from the webcam and then render it in Irrlicht. I've created a basic ...
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45 views

Frustum Culling not working when objects are transformed

I've been implementing some frustum culling and my code looks like this. // Frustum Culling XMVECTOR detView = XMMatrixDeterminant(cam->View()); XMMATRIX invView = XMMatrixInverse(&detView, ...
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196 views

Setting up local players in Unreal Engine

I'm trying to make a 4 player 2D local multiplayer game. I have tried a lot of stuff to get to this stage, but as far as I have been told, a method called CreateLocalPlayer creates a local player, ...
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56 views

'Bad' triangles when doing affine texture mapping

I am really clueless about what i must do. I wrote a function to do affine texture mapping, but i get in most situations 'bad' triangles. I really didn't want to ask this question as it probably is ...
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87 views

C++ - SFML - OpenGL - GLSL - smooth waving texture

I have this shaders: Fragment: uniform float time; uniform sampler2D texture; void main() { float t = time; vec2 aux = gl_TexCoord[0].xy; // This would also make waving/deform the ...
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89 views

DirectX Rendering to a texture

I'm trying to implement a rendering to a texture but without success. I've created a class that will(should) take care about all these stuff: class TextureRenderer { public: TextureRenderer() = ...
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170 views

OpenGL - Arcball camera rotation

I'm implementing arcball camera rotation, whereby a camera is looking at a coordinate and rotates around it in the x-axis or the y-axis such that the camera is circulating around it; the y-axis will ...
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51 views

Calculate hit-normal from collision

I am trying to implement a swept test collision between an AABB and a Line Segment and I found this implementation working great ... Except that it doesn't cover how to calculate the hitNormal and ...
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69 views

Playing Multiple Sound effects isssue in cocos2d-x

Please help if someone faced this issue. I have a sound effect 3sec long which need to be played repeatedly for some time of 10 to 15 secs. Implemented like below: ...
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102 views

Directx9 engine Z-buffer problem with d3dimage

I am trying to integrate my Direct9 engine into my new WPF application via D3DImage. Everything is working except for the Z buffer. With the AutoDepthStencil at FALSE I can render my meshes but the ...
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126 views

2D AABB vs AABB side of collision and collision depth

I realize there have been a multitude of questions involving 2D AABB vs AABB collision, but the questions and responses always avoid the simple questions that make it difficult. To keep things ...
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89 views

OpenGL Occlusion Culling - flickering problems

I have implemented occlusion culling in my app and I think why the problem is happening but I am not sure how to solve it. My scene is divided in different chunks (voxels) and I am rendering each ...
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113 views

Trying to bounce a box with a plane using bullet physics

I'm trying to simulate a box that bounces with a plane and I'm beginner with bullet physics. I created a plane (box) and and a box that is falling. The problem is the ball is stalled while colliding ...
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118 views

Update DirectX 11 Texture Created in Unity Asynchronously in the Native (c++) Plugin

Sorry for the long question :D tl;dr version :) Is it possible to update DirectX 11 textures created in Unity asynchronously in a native plugin (C++)? I've written a plugin that retrieves data from ...
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80 views

How to properly transform vertices for a model loaded using Assimp?

When I try to load a DAE model then vertices are not placed correctly. Here's the code snippet I use to load 3D models using Assimp : aiNode* CGameObject::findNode(aiNode* rootNode, const char ...
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71 views

When camera moves the textures move and rotate

I recently followed the tutorial at PaulsProjects on shadow mapping. After finishing the tutorial all of my textures seemed to have vanished, then I moved my camera and the texture reappeared. But the ...
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53 views

Angel2D won't find GLFW

I'm doing my first steps with C++ and game development to build a simple prototype. I've chosen Angel2D as framework to get some help from the beginning but I have problems to get it working with a ...
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34 views

Collada 3d file type

For animations in the Collada file type. How does it store them? I'm reading them in with Assimp and I got the keys. mNumPositionKeys = 24. I made the animation and it had 24 frames. But only 2 were ...
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57 views

Getting a Rect of a SpriteBatch

I'm using DirectXTK, https://directxtk.codeplex.com/wikipage?title=SpriteBatch it's a port of XNA spritebatch. I'm trying to get a bounding rect of my sprite for testing collisions AABB. I draw ...
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86 views

Particle System Tracking

I have a particle system where instead of tracking the time each particle is alive, I just track the time of the oldest particle and the time of the youngest particle. Basically, the oldest particle ...
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166 views

Assimp - Error loading .obj files

I'm trying to load .obj files in my little game. I decided to use assimp as tool to import those models. But it seems that assimp does not import them correctly. I looked for a simple cube mesh ...
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50 views

C++ Visual Studio Sprite Animation Function only setting values for certain Rect structs in SDL

I'm making a game in SDL and I am using an Array of Rects to store values of sprite sheet clip's dimensions. When I call the function and pass in one of my sprite sheet textures with it's ...
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28 views

Intersection issue with box2d in iOS

I'm trying to use the code here http://www.iforce2d.net/b2dtut/raycasting So I can know whether a line cross a box2d object or not. It half works, in that when the line crosses the object it does ...
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110 views

C++ OpenGL trouble trapping cursor in window

I am using OpenGL and I try to trap my cursor inside my game window (using both SetCursorPos and ClipCursor) But, these conflict with my camera rotation code as my camera is rotated with ...
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95 views

How do I update a static mesh in Unreal 4 during movement?

I would like to use UE4 for rendering of a huge world. During the runtime, I would like to load a mesh from a custom source and adopt the mesh in the game. Could someone give me a hint how to do this ...
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545 views

CocoStudio + cocos2dx 3.2 correct way to import animation?

After many frustrating hours I came to the conclusion that there is no valid way to implement a cocostudio animation, as CCArmature is deprecated and didnt work for me anyway. CocoStudio.h and ...
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279 views

cocos2d-x .. How to detect which sprites are underneath a touch event

I was wondering what the best solution is in the following scenario: Lots of sprites floating around on screen. A user can touch one sprite and drag to another sprite. Throughout this entire time, I ...
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146 views

Problem when using two different shaders

I have created a simple shader for drawing my scene in OpenGL. When another shader was introduced, a problem appeared. I use the first shader and draw few objects in the scene. Then I use the second ...
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75 views

DX9 system crash on Intel Atom CPU Z530 with Intel GMA 500

our project has to run on a very specific hardware, which is listed below: WinXP Professional 32bit Intel Atom CPU Z530 with Intel GMA 500 (2 CPUs, 1.6Ghz, 512 MB RAM) DX 9.0c 800 MB swap memory ...
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78 views

Tile Collision - subtracting a minor value to the box size

I'm having a certain problem when doing collision checks on bounding boxes that have their edges aligned with upper or right tiles. It shouldn't count as an intersection but I don't know a good ...
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176 views

FBX SDK Colors problem

I've imported control points, normals, and indices successfully and now i'm trying to import vertex colors, but something is not right. Here's the code: FbxLayerElementMaterial* ...
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66 views

DirectX9 Normal/Bump Mapping Weird Texturing Artifact

As you can see the artifact here is like a triangle of the mesh getting more light. The important part of my code is below. This is the vertex declaration. VertexElement[0].Stream = 0; ...
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121 views

Libnoise producing completely random noise

I am using libnoise in C++ taken and I have some problems with getting coherent noise. I mean, the noise produced now are completely random and it doesn't look like a noise. Here's a to the image ...
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77 views

How to raycast select a scaled OBB?

I have the OBB picking code to select an OBB with code inspired from Real time Rendering 3 and opengl-tutorial.org. I can successfully select objects that have been moved or rotated. However, I cant ...
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154 views

How do I find the camera direction vector for 3D sound purposes? (C++, DirectX)

Question I'm trying to make a sound class for playing 3D sound effects with DirectSound and DirectX, without using DirectSound's 3D libraries. The plan is to have every game object constantly play ...